December 2019
Beginner
370 pages
8h 9m
English
book
Tableau Desktop Certified Associate: Exam Guide
by Dmitry Anoshin, JC Gillet, Fabian Peri, Radhika Biyani, Gleb Makarenko
Content preview from Tableau Desktop Certified Associate: Exam Guide
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The join types
The four basic SQL join types are all supported by Tableau: inner, left, right, and full outer. Prior to joining data, you must verify that the data types from the common field used in the join are the same:
| Type of join | Description | Venn diagram of join |
| Inner join | The result set includes all records that have a matching value in both tables. For the Global Superstore Orders 2016 example, this will return all records from the Orders table for which there is a matching person in the People table. |  |
| Left join | The result set includes all records from the left table (Orders) and matching records from the People table. For records ... |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.